An accurate selection of quality tools can help you find a wide range of accessibility issues.

Web accessibility evaluation tools are software programs or online services that help you determine if web content meets accessibility guidelines. This page provides a list of evaluation tools that matches your particular needs.

Visual Helpers

Easy to use and pratical for UX Editor CJE

Browser plugins


Funkify is a extension for Chrome that helps you experience the web and interfaces through the eyes of extreme users with different abilities and disabilities.


NoCoffee is a free extension which can be helpful for understanding the problems faced by people with slight to extreme vision problems


WAVE is tool to help make web content more accessible. WAVE cannot tell you if your web content is accessible. Only a human can determine true accessibility. But, WAVE can help you evaluate the accessibility of your web content.

Desktop applications

Color Contrast Analyser

The Colour Contrast Analyser (CCA) helps you determine the legibility of text and the contrast of visual elements, such as graphical controls and visual indicators.

Mobile applications

Accessibility Scanner - Android

When you design and develop an Android app, Accessibility Scanner can help you identify opportunities to improve your app for users.

Online Tools

Webaim contrast checker

Enter a foreground and background color in RGB hexadecimal format (e.g., #FD3 or #F7DA39) or choose a color using the color picker. The Lightness slider can be used to adjust the selected color.



None documented

Code Helpers

A more technical approach for Dev


Accessibility pane - Chrome

Use the new Accessibility pane to inspect the accessibility properties of an element, and inspect the contrast ratio of text elements in the Color Picker to ensure that they're accessible to users with low-vision impairments or color-vision deficiencies.

Lighthouse - Chrome

Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, and more. Accessibility Developer Tools from Google is replaced by the aXe Engine.

Accessibility Inspector - Firefox

The Accessibility Inspector allows you to inspect your website’s exposure to assistive technologies.

Accessibility - Edge

View the accessible properties assigned to the selected element. Hover over any of the property names for a description of how it's used by assistive technologies. You can also right-click any property to copy its value to the clipboard.

Accessibility Inspector Mac

Whether you’re designing a new app or access-enabling an existing one, you should plan to test the accessibility of your product. Testing for accessibility is a bit different than standard user interface testing, and Apple provides a couple of tools that make the process easier.

Browser plugins

aXe: the Accessibility Engine

aXe is an open source rules library for accessibility testing. It was developed to empower developers to take automated accessibility testing into their own hands and to avoid common pitfalls of other automated accessibility tools.

JavaScript Accessibility Bookmarklets

Bookmarklets for Accessibility Testing use JavaScript to highlight roles, states, and properties of accessibility elements on the page. They are accessible to screen reader users and work on any browser including mobile phones.



None documented

Screen Readers

Basic functional test for Dev UX Editor CJE


VoiceOver - MacOS

VoiceOver is a full-featured screen reader built into macOS that speaks the text in documents and windows, and describes aloud what appears on your screen. To turn on VoiceOver, press Command-F5; to turn it off, press the keys again.

Narrator - Windows

Narrator is a screen-reading app built into Windows 10. This guide describes how to use Narrator with the Windows 10 April 2018 Update on desktop PCs, providing you with enough info to start exploring Windows, using apps, and browsing the web. It’s written for those who use a screen reader regularly.

NVDA - NonVisual Desktop Access

NVDA is a free “screen reader” which enables blind and vision impaired people to use computers. It reads the text on the screen in a computerised voice. You can control what is read to you by moving the cursor to the relevant area of text with a mouse or the arrows on your keyboard.

Blindness Solutions: JAWS®

JAWS, Job Access With Speech, is the world's most popular screen reader, developed for computer users whose vision loss prevents them from seeing screen content or navigating with a mouse.


VoiceOver - iOS

Because VoiceOver is integrated in iOS, it works with all the built-in iPhone apps. You can create custom labels for buttons in any app — including third-party apps.


TalkBack is Android's built-in screen reader. When TalkBack is on, users can interact with their Android device without seeing the screen. Users with visual impairments may rely on TalkBack to use your app.



None documented